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Does parental diet alter the neurobehaviour and the reflex and somatic parameters of the offspring? 父母的饮食是否会改变后代的神经行为、反射和躯体参数?
IF 2.6 4区 医学
Brain Research Pub Date : 2025-07-24 DOI: 10.1016/j.brainres.2025.149860
Rafael Oliveira Pinheiro , Juliana Késsia Barbosa Soares , Anne Caroline Alves Vieira , Maria Luiza Rolim Bezerra , Geyse Araújo Costa , Mariany Bernardino da Silva Barbalho , Artur D’ Angelo da Silva Andrade , Angela Maria Tribuzy de Magalhães Cordeiro , Adriano Francisco Alves , Alana Natalícia Vasconcelos de Araújo , Jailane de Souza Aquino
{"title":"Does parental diet alter the neurobehaviour and the reflex and somatic parameters of the offspring?","authors":"Rafael Oliveira Pinheiro ,&nbsp;Juliana Késsia Barbosa Soares ,&nbsp;Anne Caroline Alves Vieira ,&nbsp;Maria Luiza Rolim Bezerra ,&nbsp;Geyse Araújo Costa ,&nbsp;Mariany Bernardino da Silva Barbalho ,&nbsp;Artur D’ Angelo da Silva Andrade ,&nbsp;Angela Maria Tribuzy de Magalhães Cordeiro ,&nbsp;Adriano Francisco Alves ,&nbsp;Alana Natalícia Vasconcelos de Araújo ,&nbsp;Jailane de Souza Aquino","doi":"10.1016/j.brainres.2025.149860","DOIUrl":"10.1016/j.brainres.2025.149860","url":null,"abstract":"<div><h3>Background</h3><div>The early-life nutritional environment plays crucial role in shaping offspring development. While most studies have assessed maternal or paternal high-fat diet (HFD) exposure independently, the combined impact of both remains poorly understood across developmental, metabolic, and behavioural parameters. This study evaluated the effects of maternal and paternal HFD consumption on offspring metabolism, neurodevelopment, and anxiety-like behaviour.</div></div><div><h3>Methods</h3><div>Male and female Wistar rats were randomised into four dietary groups (n = 10/group): NF/NF (both sexes received a normal-fat diet, NFD), HF/NF (only males received an HFD), NF/HF (only females received an HFD), and HF/HF (both sexes received an HFD). Offspring were assessed for physical growth, somatic maturation, reflex ontogeny (postnatal days 0–21), anxiety-like behaviours (open field and elevated plus maze tests), lipid profile, brain fatty acid composition, and prefrontal cortex histology.</div></div><div><h3>Results</h3><div>NF/HF and HF/HF groups showed delayed somatic growth and altered physical development. Reflex maturation was impaired in HF/NF and NF/HF offspring. Anxiety-like behaviours were more evident in NF/HF and HF/HF groups. The HF/HF group exhibited elevated total cholesterol (439.28 ± 71.88 mg/dL), higher LDL (151.11 ± 28.72 mg/dL), reduced HDL (36.84 ± 18.93 mg/dL), reduced neuronal cell body size, and lower levels of brain polyunsaturated fatty acids.</div></div><div><h3>Conclusion</h3><div>Combined maternal and paternal HFD intake exerts cumulative adverse effects on offspring, impairing physical development, reflex maturation, behaviour, and brain lipid composition. These findings provide novel evidence that parental nutritional status prior to conception jointly influences offspring neurobiological and metabolic trajectories, underscoring the importance of considering both maternal and paternal diets in early-life health strategies.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149860"},"PeriodicalIF":2.6,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144717480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Alzheimer’s disease: a jigsaw puzzle comprised of different types of programmed cell death pieces 阿尔茨海默病:由不同类型的程序性细胞死亡片段组成的拼图
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-23 DOI: 10.1016/j.brainres.2025.149861
Yu Wang , Dan Mu , Ying Li , Chang Liu , Jianan Feng , Yong Lai , Guanhua Lou
{"title":"Alzheimer’s disease: a jigsaw puzzle comprised of different types of programmed cell death pieces","authors":"Yu Wang ,&nbsp;Dan Mu ,&nbsp;Ying Li ,&nbsp;Chang Liu ,&nbsp;Jianan Feng ,&nbsp;Yong Lai ,&nbsp;Guanhua Lou","doi":"10.1016/j.brainres.2025.149861","DOIUrl":"10.1016/j.brainres.2025.149861","url":null,"abstract":"<div><div>Alzheimer’s disease (AD), a prevalent neurodegenerative disorder among elderly populations, arises from complex interactions between genetic and environmental risk factors. Currently affecting over 55 million elderly individuals globally, AD cases are projected to reach approximately 150 million by 2050 due to demographic aging trends. AD is characterized by extracellular accumulated amyloid plaques (Aβ plaques), intracellular aggregated neurofibrillary tangles (NFTs), and extensive neurodegeneration caused by neuronal and neural cell death. Many investigations have proven assorted types of programmed cell death (PCD) contribute to the neurodegenerative process of AD, and many review articles have summarized the role of PCD in AD pathogenesis. While numerous experimental studies have demonstrated the involvement of various programmed cell death (PCD) pathways in Alzheimer’s disease (AD) pathogenesis, existing review articles lack comprehensive mechanistic integration. This review systematically evaluates all PCD-AD associations, including apoptosis, autophagy, necroptosis, parthanatos, phagoptosis, pyroptosis, NETosis, ferroptosis, and cuproptosis. Different from other existing reviews, this paper emphasizes that the pathogenesis of AD results from the combined involvement of multiple types of PCD (programmed cell death), rather than isolated pathways. Additionally, the roles of valence-variable metal ions in the pathogenesis of AD are also discussed.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149861"},"PeriodicalIF":2.7,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the role and mechanism of intermittent theta burst stimulation (iTBS) induced N-acetylaspartylglutamate (NAAG) in suppressing ferroptosis in ischemic stroke 间歇性θ波爆发刺激(iTBS)诱导n -乙酰天冬氨酸(NAAG)抑制缺血性脑卒中铁下垂的作用及机制研究
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-23 DOI: 10.1016/j.brainres.2025.149830
Hanqing Zhao , Yingli Bi , Shiyan Wang , Yuan Yin , Linyan Huang , Wan Wang , Xiang Wang , Suhua Qi , Zunke Gong
{"title":"Study on the role and mechanism of intermittent theta burst stimulation (iTBS) induced N-acetylaspartylglutamate (NAAG) in suppressing ferroptosis in ischemic stroke","authors":"Hanqing Zhao ,&nbsp;Yingli Bi ,&nbsp;Shiyan Wang ,&nbsp;Yuan Yin ,&nbsp;Linyan Huang ,&nbsp;Wan Wang ,&nbsp;Xiang Wang ,&nbsp;Suhua Qi ,&nbsp;Zunke Gong","doi":"10.1016/j.brainres.2025.149830","DOIUrl":"10.1016/j.brainres.2025.149830","url":null,"abstract":"<div><div>This study investigates the mechanism through which intermittent theta burst stimulation (iTBS) inhibits ferroptosis in ischemic stroke by inducing N-acetylaspartylglutamate (NAAG). In SD rats subjected to middle cerebral artery occlusion (MCAO), iTBS treatment significantly decreased ischemia–reperfusion (I/R) injury, improving motor, coordination, spatial memory abilities and Cognitive Impairment by enhancing synaptic function and neuronal repair. Western blot analysis showed that in MCAO rats treated with iTBS, GPX4 protein expression increased, while ACSL4, TFRC, and DMT1 protein levels decreased. Furthermore, malondialdehyde (MDA), a product of lipid peroxidation, was significantly reduced. The antioxidant levels of SOD and GSH were notably elevated, while the content of iron ions decreased. These results indicate that iTBS effectively inhibits ferroptosis by reducing oxidative stress and iron accumulation. Metabolomic analysis has revealed a novel finding that iTBS increases the levels of NAAG and inhibits its rate-limiting enzyme FOLH1 (GCP-II), thereby decreasing excitatory glutamate production, improving glutathione metabolism, and subsequently suppressing ferroptosis. In vitro experiments demonstrated that NAAG and 2-PMPA (a FOLH1 inhibitor) improved cell survival and antioxidant capacity in an oxygen-glucose deprivation/reperfusion (OGD/R) model, suppressing ferroptosis. In conclusion, iTBS exerts a neuroprotective effect by regulating the synthesis and metabolism of NAAG, enhancing antioxidant capacity and iron metabolism, and delaying ferroptosis. This research provides new insights into potential treatments for Post-Stroke Cognitive Impairment.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149830"},"PeriodicalIF":2.7,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144714405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection of PPID-interacting proteins in migraine rats by IP-MS and validation by bioinformatics analysis and experiments IP-MS检测偏头痛大鼠ppid相互作用蛋白并进行生物信息学分析和实验验证
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-23 DOI: 10.1016/j.brainres.2025.149854
Yicheng Wang , Haonan Fu , Yonglie Zhao
{"title":"Detection of PPID-interacting proteins in migraine rats by IP-MS and validation by bioinformatics analysis and experiments","authors":"Yicheng Wang ,&nbsp;Haonan Fu ,&nbsp;Yonglie Zhao","doi":"10.1016/j.brainres.2025.149854","DOIUrl":"10.1016/j.brainres.2025.149854","url":null,"abstract":"<div><h3>Objective</h3><div>This study was conducted to detect the trigeminal nucleus caudalis (TNC) site and Peptidyl-prolyl cis–trans isomerase D (PPID)-interacting proteins in migraine rats and further investigate the mechanisms involved in migraine attacks.</div></div><div><h3>Methods</h3><div>In this study, a two-time nitroglycerin (NTG) injection (NTG-2) group and a three-time NTG injection (NTG-3) group were established to observe the changes in behavior, mitochondria morphology, and PPID expression. Besides, the TNC samples of migraine rats were collected to analyze the proteins that can bind to PPID by immunoprecipitation combined with mass spectrometry (IP-MS). In addition, relevant pathways were analyzed by bioinformatics. Finally, the results were verified by protein docking and Co-immunoprecipitation (Co-IP) experiments.</div></div><div><h3>Results</h3><div>The results demonstrated that in the TNC site of migraine rats, PPID expression was up-regulated with an increase in the injection times of NTG. Through a literature retrieval, it was found that the proteins that bound to PPID and were related to migraine mainly comprised G-protein-coupled receptor kinase interacting proteins 2 (Git2), Talin 1 (Tln1), sodium/potassium-transporting ATPase subunit alpha-3 (Atp1a3), and proteinase-activated receptor 2 (F2rl1). The protein docking results all exhibited a good docking ability. The Co-IP experiment results revealed that PPID and Atp1a3 can bind to each other.</div></div><div><h3>Conclusion</h3><div>PPID can play a role in migraine attacks <em>via</em> the mitochondrial-inflammatory pathway by interacting with Git2, Tln1, Atp1a3, and F2rl1.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149854"},"PeriodicalIF":2.7,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Beta-sitosterol mitigates type 2 diabetes-induced cognitive deficits: a behavioral and molecular investigation in Swiss albino mice -谷甾醇减轻2型糖尿病引起的认知缺陷:瑞士白化小鼠的行为和分子研究
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-23 DOI: 10.1016/j.brainres.2025.149858
Priyanka Swarnkar , Prabha Rajput
{"title":"Beta-sitosterol mitigates type 2 diabetes-induced cognitive deficits: a behavioral and molecular investigation in Swiss albino mice","authors":"Priyanka Swarnkar ,&nbsp;Prabha Rajput","doi":"10.1016/j.brainres.2025.149858","DOIUrl":"10.1016/j.brainres.2025.149858","url":null,"abstract":"<div><div>This study examines the long-term effects of diabetes, focusing on its association with cognitive impairment, and investigates the neuroprotective potential of β-sitosterol (BST) against cognitive deficits induced by type 2 diabetes mellitus (T2DM). T2DM was induced in Swiss albino mice using a cafeteria (CAF) diet for four weeks followed by a single dose of streptozotocin (STZ) (45 mg/kg, i.p.). Weekly assessments of body weight and blood glucose levels were conducted, along with behavioral evaluations using the radial arm maze (RAM), nest building test, and novel object recognition test (NORT) to assess spatial learning and memory. Additionally, lipid profile (TC, TG, LDL, HDL), biochemical markers (GSH, CAT, MDA), molecular markers (IL-1β, TNF-α, IL-10, Akt, Gsk-3β), and histopathological analyses were performed. Treatment with β-sitosterol (10 mg/kg and 20 mg/kg, p.o.) and metformin (200 mg/kg, i.p.) significantly improved cognition, as observed in behavioral tasks, by restoring antioxidant levels, increasing the anti-inflammatory marker IL-10 and neuroprotective Akt, and reducing MDA, IL-1β, TNF-α, and Gsk-3β compared to the T2DM group. β-sitosterol also ameliorated glucose and lipid metabolism abnormalities in T2DM mice. These findings suggest that the cognitive benefits of β-sitosterol and its combination therapy may be attributed to its neuroprotective effects, which are likely mediated through its antioxidant and anti-inflammatory activities.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149858"},"PeriodicalIF":2.7,"publicationDate":"2025-07-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-hit immune activation induced autism-like phenotypes in mice: The underlying mechanism may involve the lung–brain axis 两击免疫激活诱导小鼠自闭症样表型:潜在机制可能涉及肺-脑轴
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-22 DOI: 10.1016/j.brainres.2025.149850
Chunxia Li , Zhengguang Geng , Yang Liu , Xiaoqin Li , Tianqi Wang , Mashaal Ahmad , Heng Luo , Hao Zhou , Yuxia Cui
{"title":"Two-hit immune activation induced autism-like phenotypes in mice: The underlying mechanism may involve the lung–brain axis","authors":"Chunxia Li ,&nbsp;Zhengguang Geng ,&nbsp;Yang Liu ,&nbsp;Xiaoqin Li ,&nbsp;Tianqi Wang ,&nbsp;Mashaal Ahmad ,&nbsp;Heng Luo ,&nbsp;Hao Zhou ,&nbsp;Yuxia Cui","doi":"10.1016/j.brainres.2025.149850","DOIUrl":"10.1016/j.brainres.2025.149850","url":null,"abstract":"<div><div>Neuroinflammation plays important roles in the pathogenesis and development of autism spectrum disorder (ASD). However, the mechanism by which peripheral organ inflammation affects neuroinflammation is still unclear. This study aimed to investigate that the interaction between the lungs and the brain as a potential mechanism underlying this effect. Ovalbumin (OVA) can induce neuroinflammation and cause neurotoxicity, leading to tissue damage or cognitive memory impairment. OVA – induced maternal immune activation (MIA) provides a stable animal model for studying ASD and other human neurodevelopmental disorders. Postnatal reinfection is an additional risk factor for ASD and may lead to pathological and physiological changes. Here we compared the expression of cytokines in the hippocampus and lung tissues of MIA offspring after the second acute immune stimulation at three times post birth, as well as the correlation between cytokines and autism-like phenotypes.Interestingly, our research findings suggest that maternal and postpartum OVA-induced immune activation and lung injury may produce an autistic phenotype, with potential mechanisms involving the lung- brain axis.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149850"},"PeriodicalIF":2.7,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Editorial: Chronic non-communicable diseases that affect the central nervous system can be prevented through developmental plasticity. 社论:影响中枢神经系统的慢性非传染性疾病可以通过发育可塑性来预防。
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-22 DOI: 10.1016/j.brainres.2025.149855
Ana Elisa Toscano, Cristiane Matté
{"title":"Editorial: Chronic non-communicable diseases that affect the central nervous system can be prevented through developmental plasticity.","authors":"Ana Elisa Toscano, Cristiane Matté","doi":"10.1016/j.brainres.2025.149855","DOIUrl":"10.1016/j.brainres.2025.149855","url":null,"abstract":"","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":" ","pages":"149855"},"PeriodicalIF":2.7,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144706314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Social interactions between attachment partners increase inter-brain plasticity 依恋伴侣之间的社会互动增加了大脑间的可塑性。
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-22 DOI: 10.1016/j.brainres.2025.149856
Linoy Schwartz , Jonathan Levy , Carmel Salomonski , Itai Peleg , Olga Hayut , Orna Zagoory , Ruth Feldman
{"title":"Social interactions between attachment partners increase inter-brain plasticity","authors":"Linoy Schwartz ,&nbsp;Jonathan Levy ,&nbsp;Carmel Salomonski ,&nbsp;Itai Peleg ,&nbsp;Olga Hayut ,&nbsp;Orna Zagoory ,&nbsp;Ruth Feldman","doi":"10.1016/j.brainres.2025.149856","DOIUrl":"10.1016/j.brainres.2025.149856","url":null,"abstract":"<div><div>Inter-brain synchrony between interacting partners is an important feature of social brain function, but whether neural coordination persists beyond the immediate social moment is unknown. Using hyperscanning EEG, we investigated whether a brief mother-adolescent face-to-face interaction induces sustained changes in inter-brain synchrony. We measured neural synchrony in the fronto-temporal network of 110 mothers and adolescents (55 dyads) during co-present resting-state recordings before and after a naturalistic, positively-valanced face-to-face interaction. We found enhanced inter-brain synchrony in the fronto-temporal network following the social interaction, indicating that positive social exchanges can temporarily modify patterns of neural synchrony. The magnitude of this post-interaction neural synchrony was mediated by the partners’ behavioral synchrony during the interaction. Oxytocin increase from pre- to post-interaction predicted the increase in neural synchrony above and beyond behavioral synchrony, suggesting a distinct neuroendocrine path for inter-brain coordination. Results indicate that positive social interactions between attachment partners can induce short-term changes in neural synchrony that persist beyond the immediate exchange. Our findings suggest a potential mechanism by which repeated social experiences within attachment relationships may influence neural development and highlight the need to consider inter-brain dynamics in research on the social foundations of brain development.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149856"},"PeriodicalIF":2.7,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144706233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Overexpressed MicroRNA-455-3p enhances cognitive function in late-onset Alzheimer’s disease 过表达的MicroRNA-455-3p增强晚发性阿尔茨海默病的认知功能。
IF 2.6 4区 医学
Brain Research Pub Date : 2025-07-21 DOI: 10.1016/j.brainres.2025.149853
Md Ariful Islam , Sudhir Kshirsagar , Rainier Vladlen Alvir , Jangampalli Adi Pradeepkiran , Madhuri Bandaru , Upasana Mukherjee , P.Hemachandra Reddy
{"title":"Overexpressed MicroRNA-455-3p enhances cognitive function in late-onset Alzheimer’s disease","authors":"Md Ariful Islam ,&nbsp;Sudhir Kshirsagar ,&nbsp;Rainier Vladlen Alvir ,&nbsp;Jangampalli Adi Pradeepkiran ,&nbsp;Madhuri Bandaru ,&nbsp;Upasana Mukherjee ,&nbsp;P.Hemachandra Reddy","doi":"10.1016/j.brainres.2025.149853","DOIUrl":"10.1016/j.brainres.2025.149853","url":null,"abstract":"<div><div>MicroRNAs (miRNAs) are emerging as key regulators of neurodegenerative diseases, including Alzheimer’s disease (AD). miR-455-3p has been implicated in neuronal function, yet its role in cognition, motor function, and behavioral responses, in relation to AD remains unexplored. This study investigates the effects of miR-455-3p overexpression and knockout in late-onset humanized Amyloid beta (hAbKI) mouse model. We crossed miR-455-3p transgenic (TG) and knockout (KO) mice with hAbKI mice, generated double mutant mice (miR-455-3p Tg X hAbKI and miR-455-3p KO X hAbKI) and assessed cognitive behavior. To evaluate behavioral phenotype, we used cognitive and motor tests in six experimental groups—wild-type (WT), miR-455-3p KO, miR-455-3p TG, hAbKI, miR-455-3p TG X hAbKI, and miR-455-3p KO X hAbKI—to the Morris Water Maze (MWM), Y-maze, open field, and rotarod tests. miR-455-3p overexpression in TG mice significantly enhanced locomotor activity (open field test), working memory (Y-maze), hippocampal spatial learning &amp; memory (MWM), and motor coordination (rotarod test). In contrast, miR-455-3p KO and KO X hAbKI mice exhibited impaired cognitive functionand reduced motor performance. In addition, miR-455-3p KO and KO X hAbKI mice showed increased anxiety-like behavior in the light-dark (LD) test. Notably, the hAbKI X miR-455-3p KO group displayed the most severe deficits, suggesting that the loss of miR-455-3p exacerbates AD-related impairments. Statistical analyses confirmed significant group differences (<em>p</em> &lt; 0.05), with post-hoc tests demonstrating superior performance in the TG group compared to KO and hAbKI X miR-455-3p KO mice. These findings suggest that miR-455-3p plays a significant role in regulating cognitive and motor functions, with its overexpression conferring neuroprotective benefits. Targeting miR-455-3p may provide novel strategies for improving cognitive and motor outcomes in AD and related conditions.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1865 ","pages":"Article 149853"},"PeriodicalIF":2.6,"publicationDate":"2025-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144697629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decoding the molecular and cellular aspects of multiple sclerosis: From diagnosis to therapeutic strategies 解码多发性硬化症的分子和细胞方面:从诊断到治疗策略
IF 2.7 4区 医学
Brain Research Pub Date : 2025-07-19 DOI: 10.1016/j.brainres.2025.149844
Nancy Sanjay Gupta , Shubham Kumar Shrivastav , Indrakant K. Singh , Smita Kumari , Niraj Kumar Jha , Rohan Gupta
{"title":"Decoding the molecular and cellular aspects of multiple sclerosis: From diagnosis to therapeutic strategies","authors":"Nancy Sanjay Gupta ,&nbsp;Shubham Kumar Shrivastav ,&nbsp;Indrakant K. Singh ,&nbsp;Smita Kumari ,&nbsp;Niraj Kumar Jha ,&nbsp;Rohan Gupta","doi":"10.1016/j.brainres.2025.149844","DOIUrl":"10.1016/j.brainres.2025.149844","url":null,"abstract":"<div><div>Multiple sclerosis (MS) is a multifaceted, chronic neuroinflammatory condition of the central nervous system (CNS) marked by demyelination, gliosis, and axonal degradation. Despite the comprehensive investigation, the exact etiology remains unclear, requiring complex interactions among genetic, epigenetic, and environmental variables. This review highlights the pressing necessity to integrate emerging evidence connecting genetic predisposition, specifically HLA-DRB1*15:01 and over 200 non-HLA variants, with alterable environmental factors, including Epstein–Barr virus (EBV) infection, vitamin D deficiency, smoking, obesity, and heavy metal exposure. The study underscores the distinct gender-specific and geographical patterns of disease frequency and elucidates the immunological changes during pregnancy and adolescence that influence disease progression. The article methodologically synthesizes data from genome-wide association studies, experimental autoimmune encephalomyelitis models, and epidemiological cohorts, integrating these with technological advancements including neuroimaging, biosensor development, and AI-driven analytics. It examines the pathophysiological consequences of heavy metals, highlighting their involvement in mitochondrial dysfunction, oxidative stress, and neuroinflammation. The paper delineates the transformational potential of nanotherapeutics, extracellular vesicles, and artificial intelligence in improving early diagnostics, medication administration, and tailored treatment approaches. The review presents MS as a disease continuum, advocating for a paradigm shift in its classification and management. Additionally, this review offers a comprehensive viewpoint by integrating immunogenetics with digital medicine and novel medicines, potentially informing future diagnostic and therapeutic advancements. The study emphasizes the imperative of amalgamating genetic, environmental, and computational knowledge to enhance precision therapy in MS.</div></div>","PeriodicalId":9083,"journal":{"name":"Brain Research","volume":"1863 ","pages":"Article 149844"},"PeriodicalIF":2.7,"publicationDate":"2025-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144670543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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